$(document).ready(function(){
 // Reset Font Size
 var originalFontSize = $(&#39;.post-body&#39;).css(&#39;font-size&#39;);
 $(&quot;.resetFont&quot;).click(function(){
 $(&#39;.post-body&#39;).css(&#39;font-size&#39;, originalFontSize);
 });
 // Increase Font Size
 $(&quot;.increaseFont&quot;).click(function(){
  var currentFontSize = $(&#39;.post-body&#39;).css(&#39;font-size&#39;);
 var currentFontSizeNum = parseFloat(currentFontSize, 10);
   var newFontSize = currentFontSizeNum*1.2;
 $(&#39;.post-body&#39;).css(&#39;font-size&#39;, newFontSize);
 return false;
 });
 // Decrease Font Size
 $(&quot;.decreaseFont&quot;).click(function(){
  var currentFontSize = $(&#39;.post-body&#39;).css(&#39;font-size&#39;);
 var currentFontSizeNum = parseFloat(currentFontSize, 10);
   var newFontSize = currentFontSizeNum*0.8;
 $(&#39;.post-body&#39;).css(&#39;font-size&#39;, newFontSize);
 return false;
 });
});